Re: [PATCH V4 06/12] kernfs: add exportfs operations

2017-06-29 Thread Greg KH
On Wed, Jun 28, 2017 at 09:29:56AM -0700, Shaohua Li wrote: > From: Shaohua Li > > Now we have the facilities to implement exportfs operations. The idea is > cgroup can export the fhandle info to userspace, then userspace uses > fhandle to find the cgroup name. Another example is userspace can ge

[PATCH V4 06/12] kernfs: add exportfs operations

2017-06-28 Thread Shaohua Li
From: Shaohua Li Now we have the facilities to implement exportfs operations. The idea is cgroup can export the fhandle info to userspace, then userspace uses fhandle to find the cgroup name. Another example is userspace can get fhandle for a cgroup and BPF uses the fhandle to filter info for the